Save Type Surname (from given name) Usage French (Quebec) Pronounced Pron. /tʁy.do/ [key·simplify] Meaning & HistoryExpand Links From a diminutive of the given name Thouroude, a medieval French form of the Norse name Torvald. This name has been borne by two Canadian prime ministers, Pierre Elliott Trudeau (1919-2000) and his son Justin Trudeau (1971-). Categories diminutives